vulnerability
Alpine Linux: CVE-2021-23995: Operation on a Resource after Expiration or Release
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:H/Au:N/C:P/I:P/A:P) | Jun 24, 2021 | Aug 22, 2024 | Dec 22, 2025 |
Severity
5
CVSS
(AV:N/AC:H/Au:N/C:P/I:P/A:P)
Published
Jun 24, 2021
Added
Aug 22, 2024
Modified
Dec 22, 2025
Description
When Responsive Design Mode was enabled, it used references to objects that were previously freed. We presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.
Solutions
alpine-linux-upgrade-firefox-esralpine-linux-upgrade-firefoxalpine-linux-upgrade-thunderbirdalpine-linux-upgrade-librewolf
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